TrueCloudLab/restic
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checker: rewrite ReadData to stream packs

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This commit is contained in:
Michael Eischer 2021-08-20 16:15:40 +02:00
parent f40abd92fa
commit f1e58e7c7f
4 changed files with 119 additions and 79 deletions
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5
internal/pack/pack.go
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@ -160,7 +160,8 @@ const (
// HeaderSize is the header's constant overhead (independent of #entries)
HeaderSize = headerLengthSize + crypto.Extension
maxHeaderSize = 16 * 1024 * 1024
// MaxHeaderSize is the max size of header including header-length field
MaxHeaderSize = 16*1024*1024 + headerLengthSize
// number of header enries to download as part of header-length request
eagerEntries = 15
)
@ -199,7 +200,7 @@ func readRecords(rd io.ReaderAt, size int64, max int) ([]byte, int, error) {
err = InvalidFileError{Message: "header length is invalid"}
case int64(hlen) > size-int64(headerLengthSize):
err = InvalidFileError{Message: "header is larger than file"}
case int64(hlen) > maxHeaderSize:
case int64(hlen) > MaxHeaderSize-int64(headerLengthSize):
err = InvalidFileError{Message: "header is larger than maxHeaderSize"}
}
if err != nil {